(Zool.) A large American owl (Syrnium nebulosum); -- so called from the transverse bars of a dark brown color on the breast. [ 1913 Webster ]
a. Firmly barred or closed. [ 1913 Webster ]
a. 1. Secured by, or furnished with, crossbars. Milton. [ 1913 Webster ]
2. Made or patterned in lines crossing each other; as, crossbarred muslin. [ 1913 Webster ]